If a projectile (such as a bullet) is fired into the air with an initial velocity v at an angle of elevation e (see the figure below), then the height h of the projectile at time t is given by h = -16t2 + vt sin 8. h (1, h(t)) h(t) Find the height of the object after 4 seconds if v is 1,600 feet per second and e is 30°. ft © Cengage Learming

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Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.